ALEXANDRIA, Virginia, Oct. 8 -- AMAZON TECHNOLOGIES, INC., Seattle, Washington has been assigned a patent (No. US 12112737 B1, initially filed Sept. 28, 2022) developed by three inventors Wan-Chieh Pai, San Jose, California; Harsha Inna Kedage Rao, Campbell, California; and Andrew Jackson Stockton X, Boston, Massachusetts, for "Acoustic feedback control." . . .